Quarterly US dollars
1999-03-31 12647
1999-06-30 12992
1999-09-30 -19131
1999-12-31 -22387
2000-03-31 39699
2000-06-30 -11148
2000-09-30 6565
2000-12-31 1011
2001-03-31 38643
2001-06-30 6306
2001-09-30 -3174
2001-12-31 -7367
2002-03-31 4105
2002-06-30 6780
2002-09-30 7821
2002-12-31 7491
2003-03-31 49303
2003-06-30 48615
2003-09-30 6675
2003-12-31 -4899
2004-03-31 61561
2004-06-30 -17656
2004-09-30 887
2004-12-31 52122
2005-03-31 54906
2005-06-30 10022
2005-09-30 -22973
2005-12-31 45997
2006-03-31 42671
2006-06-30 14077
2006-09-30 -33226
2006-12-31 20075
2007-03-31 40399
2007-06-30 50528
2007-09-30 24030
2007-12-31 -51207
2008-03-31 -15949
2008-06-30 -57744
2008-09-30 10438
2008-12-31 -134713
2009-03-31 -52725
2009-06-30 -26688
2009-09-30 -63535
2009-12-31 40851
2010-03-31 -50733
2010-06-30 -5092
2010-09-30 726
2010-12-31 11212
2011-03-31 8293
2011-06-30 -23273
2011-09-30 2728
2011-12-31 -25667
2012-03-31 25354
2012-06-30 -54272
2012-09-30 5936
2012-12-31 1128
2013-03-31 -42408
2013-06-30 -4823
2013-09-30 -17402
2013-12-31 8626
2014-03-31 17782
2014-06-30 -5313
2014-09-30 -30133
2014-12-31 4697
2015-03-31 19859
2015-06-30 -14836
2015-09-30 -33228
2015-12-31 1927
2016-03-31 8071
2016-06-30 33970
2016-09-30 -6245
2016-12-31 -23968
2017-03-31 19128
2017-06-30 22515
2017-09-30 -13110
2017-12-31 -20392
2018-03-31 -171
2018-06-30 -16835
2018-09-30 -2931
2018-12-31 -3084
2019-03-31 32834
2019-06-30 28395
2019-09-30 -667
2019-12-31 -28462
2020-03-31 75772
2020-06-30 -25453
2020-09-30 16496
2020-12-31 -35700
2021-03-31 -5985
2021-06-30 -14904
2021-09-30 43103
2021-12-31 3374
2022-03-31 8097
2022-06-30 -38469
2022-09-30 1892
2022-12-31 -31436
2023-03-31 8774
2023-06-30 -10683
2023-09-30 12698